AGENT AND PATIENT. This phrase is used to indicate the state of a person who is required to do a thing, and is at the same time the person to wbom it is done; as, when a man is indebted to another, and he appoints him his executor, the latter is required to pay the debt in his capacity of executor, and entitled to receive it in his own right, he is then agent and patient. Termes de la ley.

AGGRAVATION, crimes, torts. That which increases the enormity of a crime or the injury of a wrong. The opposite of extenuation.

2. – When a crime or trespass has been committed under aggravating circumstances, it is punished with more severity; and, the damages given to vindicate the wrong are greater.

AGGRAVATION, in pleading. The introduction of matter into the declaration which tends to increase the amount of damages, but does not affect the right of action itself. Steph. Pl. 257; 12 Mod. 597. See 3 An. Jur. 287, 313. An example of this is found in the case where a plaintiff declares in trespass for entering his house, and breaking his close, and tossing his goods about; the entry of the house is the principal ground and foundation of the action, and the rest is only stated by way of agravation; 3 Wils. R. 294; and this matter need not be proved by the plintiff or answered by the defendant.

AGGREGATE. A collection of particular persons or items, formed into one body; as a corporation aggregate, which is one formed of a number of natural persons; the union of individual charges make an aggregate charge.

AGGRESSOR, crim. law. He who begins, a quarrel or dispute, either by threatening or striking another. No man may strike another because he has threatened, or in consequence of the use of any words.

AGIO, aggio. This term is used to denote the difference of price beteen the value of bank notes and nominal money, and the coin of the country. – Encyc.

AGIST, in contrads. The taking of other men's cattle on one's own ground at a certain rate. 2 Inst. 643; 4 Inst. 293.

AGISTER. One who takes horses or other animals to agist.

2. The agister is not, like an innkeeper, bound to take all horses offered to him, nor is he liable for any injury done to such animals in his care, unless he has been guilty of negligence, or from his ignorance, negligence may be inferred. Holt's R. 457.